Radiant|Lab Grown|IGI

6.56ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG833627220

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG833627220

Diamond specifications and retailer prices

From £898 GBP
HK$9,400 HKD
As of October 31, 2026
Save £2,814 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,825 GBP at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 6.56ct lab-grown radiant diamond

This 6.56ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833627220 or 833627220. Listed at 11 retailers as of October 31, 2026, with a 313% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.56
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833627220
Dimensions13.54 × 9.11 × 6.11 mm
L/W Ratio1.49
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.54 mm9.11 mm6.56 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833627220
Side View
Table 67.0%Crown 42.6°Girdle: Slightly ThickPavilion 33.9°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,825 GBP|Low: £898 GBP|High: £4,282 GBP|Avg: £2,252 GBP|-1.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7£898 GBP
Retailer 9£1,081 GBP
Retailer 5£1,159 GBP
Retailer 2£1,208 GBP
Retailer 10£1,220 GBP
Retailer 11£2,046 GBP
Retailer 3£2,636 GBP
Retailer 6£2,862 GBP
Retailer 4£3,159 GBP
Retailer 8£3,712 GBP
Rare Carat£3,825 GBP

39 data points across 11 retailers

11 retailers£898 GBP to £3,712 GBP

A
Cheapest Retailer
-
£898 GBP
HK$9,400 HKD
A
Retailer 2
-
£1,081 GBP
$1,449 USD
View
A
Retailer 3
-
£1,159 GBP
View
A
Retailer 4
-
£1,208 GBP
€1,542 EUR
View
B+
Retailer 5
-
£1,220 GBP
$1,635 USD
View
B+
Retailer 6
-
£2,046 GBP
$2,742 USD
View
Retailer 7
-
£2,636 GBP
$3,532 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
£2,862 GBP
View
B
Retailer 9
-
£3,159 GBP
A$6,512 AUD
View
B
Retailer 10
-
£3,712 GBP
$4,974 USD
View
Most Expensive
Rare Carat
KI2206272KF833 · Oct 19
£3,825 GBP
$5,125 USD
View
Price last confirmed 14 days ago
10 more retailers have this diamond
Prices start from £898 GBPSave up to £2,814 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.56ct Radiant
£898 GBP